Carpenter square



FIG. 1 is a top, front, right side perspective view of a carpenter square in accordance with my design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom, front, left side perspective view of the carpenter square in accordance with my design.

The broken lines illustrate portions of the carpenter square which form no part of the claimed design. 

CLAIM The ornamental design for a carpenter square, as shown and described. 